Moto Rumi Motorcycles

Today in Motorcycle History

Rumi Scoiattolo 1951 - 1957

The concept was a utilitarian machine, a cross between the motorcycle and scooter, offering excellent weather protection and comfort for rider and passenger. The beautifully crafted bodywork covered all mechanical parts and protected the rider from the elements while the 14" wheels contributed to the fine handling. Using the same engine as the Sport and Turismo but with modified crankcases to allow mounting on the metal bodyork.

In 1953 the machine was improved aesthetically by fitting instrumentation within the headlight cowl and handling was further enhanced with the adoption of telescopic forks. Or should have been - apparently not a success.

There was also an electric start version. On a 125. In 1953.

Specifications

ENGINE: 2-stroke parallel twin, horizontal cylinders.
DISPLACEMENT: 124.68 cc
BORE AND STROKE: 42x45 mm
COMPRESSION RATIO: 6.5: 1
MAXIMUM SPEED: 4800 rev / min.
MAXIMUM POWER: 6 hp
CYLINDER AND HEADS: Cast iron barrels, aluminium cylinder heads.
CARBURETTOR: Dell'Orto UA 15 S

ELECTRICS: Flywheel magneto, Nasetti 6V 30W
CLUTCH: multiple discs in oil bath
GEARBOX: Unit construction 3 speed, later 4-speed constant mesh

TRANSMISSION
Primary gearing, secondary chain

FRAME: Monocoque pressed steel

LENGTH: 1200 mm
FRONT SUSPENSION: Telescopic fork with guides and springs at the top
REAR SUSPENSION: Swingarm with hydraulic shock absorber

TYRES: 3.25 x 14" front and rear
BRAKES: Expanding 130 mm alloy brake shoes
Lights: CEV 105 and rear CEV
INSTRUMENTS: Early models had no instruments, later a 100 km/h VDO speedometer was fitted

TANK CAPACITY: 6 litres, good for @ 180 Km
DRY WEIGHT: 105 Kg
TOP SPEED: 80 Km / h
FUEL CONSUMPTION: 1 liter / 35 Km (avg)

COLOURS: Rumi grey or blue